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Clomid (Clomiphene) Side Effects and Risks

Key Facts

  • Clomid (clomiphene) is a fertility medication that may cause side effects like headaches, bloating, hot flashes, and breast tenderness.
  • It works by blocking oestrogen receptors, leading to increased production of hormones that stimulate ovulation.
  • Common side effects include hot flashes, abdominal bloating, weight gain, mood swings, nausea, and breast sensitivity.
  • Serious risks include ovarian hyperstimulation syndrome, multiple pregnancies, and potential long-term effects like ovarian cancer.
  • Consult your doctor for severe side effects or unusual symptoms, and consider strategies to mitigate adverse effects.
  • Self-care, diet management, and taking Clomid in the evening can help manage side effects effectively.

Have you been wondering if Clomid has some side effects or risks? Most people in Australia are learning the importance of checking the impacts of medication, and Clomid isn’t an exception. Clomid is available under the trade names Serophene and Clomiphene— these are all the same medicine. Its side effects are often minimal and may include headaches, bloating, hot flashes, and breast tenderness. However, as with any medication, knowing the side effects before treatment is crucial. The drug’s mechanism of action causes numerous Clomid adverse effects. It deceives the body into believing there is insufficient oestrogen, which it accomplishes by inhibiting oestrogen receptors. This causes the body to generate more GnRH , a hormone instructing the pituitary to produce more LH and FSH. These hormones activate the ovaries and elevate the likelihood of ovulation. Because most oestrogen receptors are blocked, clomiphene can cause some adverse effects, such as headaches and vaginal dryness. Most of the other adverse effects are produced by the ovaries slightly enlarging.

What are the risks of taking Clomid?
What are the risks of taking Clomid?

Adverse Effects of Clomid

The following list might not include all potential side effects and hazards. Contact your doctor if you have severe side effects or odd symptoms or are worried. Your doctor will evaluate your risk of developing potential side effects and address any concerns or questions you may have.

Flashes of heat

Hot flashes (in official medical jargon, “vasomotor flushes”) are a frequent adverse effect of clomiphene. In clinical research, they were reported to occur in around one in ten women. During a heat flash, you may experience the following:

  • Feeling unusually warm
  • Face flushing
  • Sweat profusely
  • Have a faster pulse

You may feel cold after a hot flash, especially if you break out in sweat. If they occur while you sleep, hot flashes are often called night sweats. It might be slightly unsettling when a hot flash occurs for the first time. But this is not a harmful occurrence—merely an unpleasant one.

Bloating and Discomfort in the Abdomen

Bloating and stomach pain are other fairly prevalent Clomid adverse effects. According to research, it affects around 6% of females . Wearing loose-fitting garments around the waist may assist. Once your treatment cycle is complete, the bloated sensation should subside. Contact your doctor if you feel more than mild pain or cramping. Excessive bloating or soreness in the abdomen may indicate ovarian hyperstimulation syndrome.

Weight Gain

Weight gain is less frequent than bloating, with less than one in every hundred persons reporting weight changes in early clinical investigations . What may account for the fact that relatively few individuals reported weight gain in an early study, yet so many people online complain about gaining weight while on Clomid? One possibility is that the weight gain is a transitory side effect of the bloating. Bloating and water retention are frequent side effects of Clomid medication. If the weight increase is due to bloating, it should return to normal after therapy. Another explanation is that treatment-related stress results in poor eating. The easiest method to counteract this is to plan your meals and have fertility-friendly snacks on hand for when the cravings strike.

Mood Swings

Mood swings are another adverse effect of clomiphene that was not common in early, pre-approval clinical research (less than 1% of people). However, further research discovered that over half of all Clomid users reported mood problems . Mood swings might increase emotional sensitivity, tearfulness, depression, or anxiety. Without the use of medicines, infertility may elicit similar sentiments. Try to be kind and compassionate with yourself throughout therapy, and practise excellent self-care.

Nausea and Vertigo

Around 2% of persons who take clomiphene develop nausea and vomiting. Evening doses of the drug may be beneficial. If your nausea is severe or you have difficulty swallowing meals or liquids, notify your doctor immediately. Severe nausea may also be a symptom of ovarian hyperstimulation syndrome, an uncommon but serious adverse effect of fertility treatments.

Breast Sensitivity

Breast discomfort is another possible adverse effect of clomiphene in 2% of patients during clinical trials . This negative effect may make you question whether you’re pregnant. However, this is often a side effect of medication.

Abnormal Menstrual Bleeding

Slightly more than 1% of participants in Clomid clinical trials did observe spotting or atypical menstrual bleeding . Certain individuals may see spotting and believe it is implantation spotting . However, spotting may be a side effect if you take fertility medication. It would be best not to assume this is a pregnancy indicator automatically. Consult your doctor if other symptoms, including the following, accompany the spotting:

  • Pain in the abdomen
  • Fever
  • Vomiting and nausea
  • A sense that something is wrong

Headaches

A little more than 1% of participants in clinical studies reported experiencing headaches when using Clomid. If you are suffering from headaches, taking medicine in the evening may be beneficial. This method allows you to sleep through the discomfort. (If your doctor has instructed you to take the prescription, especially in the morning, inquire beforehand.) Additionally, drink lots of water since minor dehydration might result in headaches.

Dry Vaginal Mucus or Excessive Cervical Mucus

This is a bothersome possible Clomid side effect since thick or missing cervical fluid might obstruct pregnancy. Cervical mucus is required to assist the sperm in entering the cervix. If clomiphene results in thick cervical mucus, this may reduce the likelihood of becoming pregnant. Inform your doctor if this occurs during therapy. They can determine if clomiphene is the best medication for you or discuss a strategy to treat or avoid the issue (like with IUI treatment). You could wish to experiment with a sperm-friendly lubricant to increase your comfort level during sex.

Vision Impairment

Blurred vision is a disconcerting, although generally not hazardous, adverse effect of clomiphene. During clinical studies, 1.5% of participants experienced it. This is more likely to occur with increased dosages. Among the vision problems that may occur are the following:

  • Perplexed vision
  • Observation of flashing lights
  • Observation of floaters

You should use caution if you have visual side effects while driving or using hazardous equipment. If you notice changes in your eyesight, call your doctor immediately. Once the medicine is discontinued, the symptoms should resolve. What are the long term side effects of Clomid?What are the long-term side effects of Clomid?

Additional side effects of Clomid

While side effects are often physical or mental discomforts associated with medication use, dangers may occur in addition to what you feel. With that stated, the following are some of the probable hazards associated with Clomid:

Twin or multiple pregnancies

Perhaps the most well-known adverse effect of clomiphene is the possibility of becoming pregnant with twins or more. According to the National Birth Defects Prevention Study , 11.7% of pregnancies between 1997 and 2005 were twins, while 1.1% were triplets or quadruplets. To minimise the risk of twins, your doctor should begin you on the lowest dosage possible. Additionally, your doctor may do a mid-cycle scan to evaluate the number of follicles and whether or not a high likelihood of twins or multiples exists. You and your partner may decide whether to skip that cycle or continue normally.

Ovarian hyperstimulation syndrome (OHSS)

Usually minor when clomiphene is used, although a severe variant might arise in rare situations. Severe OHSS, if left untreated, may be fatal. Consult your doctor immediately if you have nausea, severe stomach or pelvic discomfort, rapid weight gain, or significant bloating.

Irreversible vision disturbances

Extremely uncommon vision disturbances occur exclusively in individuals who continue therapy after the onset of the visual problem. After three days, individuals who quit medication had no further visual issues.

Ovarian cysts

During therapy, 15.4% of patients will develop an ovarian cyst. Typically, the cyst is benign (noncancerous) and should resolve on its own shortly after the therapy cycle. If the cyst does not resolve independently, the doctor contacts your doctor for a reevaluation. In rare instances, surgical intervention may be required.

Ovarian cancer

Certain studies have shown an elevated risk of ovarian cancer after using clomiphene for a year or longer. It is unknown whether this is a clomiphene side effect or infertility itself.

How long does it take for Clomid to make you ovulate?
How long does it take for Clomid to make you ovulate?

Monitoring Your Health During Clomid Treatment

Stay vigilant about your health during Clomid therapy. While many side effects are mild and expected, any unexpected or significant changes in how you feel should prompt an immediate discussion with your healthcare provider. Trust your instincts—if you experience sudden shifts in your physical or emotional well-being that differ from your usual state, seek professional advice promptly to ensure your treatment remains safe and effective.

Top reproductive health experts stress the importance of regularly tracking your symptoms and maintaining open communication with your medical team. Keeping a detailed log of your feelings throughout treatment helps your doctor decide if adjustments are needed. Whether you’re managing routine side effects or experiencing unusual changes, proactive consultation is key to maintaining your health during Clomid therapy.

Sources:
Fertility2Family only uses trusted & peer-reviewed sources to ensure our articles’ information is accurate and reliable. Breast Cancer Trials (2023) Gonadotropin-releasing hormone (GnRH) agonists for Fertility Preservation: Is poems the final verse?, Breast Cancer Trials. Available at: https://www.breastcancertrials.org.au/publications/gonadotropin-releasing-hormone-gnrh-agonists-for-fertility-preservation-is-poems-the-final-verse/ (Accessed: 19 October 2023). Fertility and Sterility (2015) Redirecting. Available at: https://linkinghub.elsevier.com/retrieve/pii/S0015028204012749 (Accessed: 19 October 2023). Fertility and Sterility (2015) Redirecting. Available at: https://linkinghub.elsevier.com/retrieve/pii/S0015028204028286 (Accessed: 19 October 2023). Fertility and Sterility (2015) Redirecting. Available at: https://linkinghub.elsevier.com/retrieve/pii/S0015028215000485 (Accessed: 19 October 2023). Healthdirect Australia (2023) Clomid, Healthdirect Australia. Available at: https://www.healthdirect.gov.au/medicines/brand/amt,3575011000036105/clomid (Accessed: 19 October 2023). JOGNN (2019) Redirecting. Available at: https://linkinghub.elsevier.com/retrieve/pii/S0884217515329245 (Accessed: 19 October 2023). Oxford Academic (Oxford University Press) (2010) Home Page. Available at: https://doi.org/10.1093/humrep/deq313 (Accessed: 19 October 2023). penny8896 (2010) Clomid and headaches, What to Expect. Available at: https://community.whattoexpect.com/forums/trying-to-conceive/topic/clomid-and-headaches.html (Accessed: 19 October 2023). The Royal Australian College of General Practitioners (2023) ‘Convincing’ evidence the pill can cause depression, NewsGP. Available at: https://www1.racgp.org.au/newsgp/clinical/convincing-evidence-the-pill-can-cause-depression (Accessed: 19 October 2023). Rebar, R.W. (2023) Ovulatory dysfunction – gynecology and Obstetrics, Merck Manuals Professional Edition. Available at: https://www.merckmanuals.com/professional/gynecology-and-obstetrics/infertility/ovulatory-dysfunction (Accessed: 19 October 2023). Schram, C.A. (2016) Outdated approach to a common problem, Canadian Family Physician. Available at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5023340/ (Accessed: 19 October 2023). SEO, R.D. (2023) Menopause Centre Australia, “. Available at: https://www.menopausecentre.com.au/hot-flushes/ (Accessed: 19 October 2023). Valerie A. Purvin, M. (1995) Visual disturbance secondary to clomiphene citrate, Archives of Ophthalmology. Available at: https://jamanetwork.com/journals/jamaophthalmology/article-abstract/641103 (Accessed: 19 October 2023). Viola, M.I., Meyer, D. and Kruger, T. (2011) Association between clomiphene citrate and visual disturbances with special emphasis on central retinal vein occlusion: A Review, Karger Publishers. Available at: https://karger.com/goi/article/71/2/73/152291/Association-between-Clomiphene-Citrate-and-Visual (Accessed: 19 October 2023).

Enhancing Clomid Treatment with Lifestyle Adjustments

Optimising your Clomid treatment involves more than just the medication. Practical, evidence-based lifestyle strategies can significantly enhance your experience. By adopting healthy habits alongside your prescribed regimen, you can support hormonal balance, reduce stress, and improve your overall well-being throughout your fertility journey.

Key Strategies

  • Balanced Nutrition: Choose a diet rich in whole foods like fresh fruits, vegetables, lean proteins, and whole grains. Good nutrition aids hormonal regulation and reproductive health.
  • Regular Physical Activity: Engage in moderate exercise such as brisk walking, yoga, or swimming to improve circulation and manage stress without overexertion.
  • Effective Stress Management: Use mindfulness techniques, including meditation and deep breathing exercises. Lowering stress benefits both your physical health and treatment outcomes.
  • Quality Sleep: Stick to a consistent sleep schedule. Restorative sleep is essential for hormone regulation and recovery.
  • Symptom Tracking: Maintain a detailed journal of your daily well-being. This helps you and your healthcare provider monitor changes and address any concerns promptly.

Integrating these lifestyle adjustments with your Clomid treatment can help ease some side effects and create a more balanced fertility plan. Always consult your healthcare professional before making significant changes to ensure they suit your individual needs.

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Evan Kurzyp

Evan is the founder of Fertility2Family and is passionate about fertility education & providing affordable products to help people in their fertility journey. Evan is a qualified Registered Nurse and has expertise in guiding & managing patients through their fertility journeys.

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