Follitropin delta, a human Follicle Stimulating Hormone (FSH) preparation of recombinant DNA origin, increases the growth of ovarian follicles in women who do not have primary ovarian failure.

Use this medication precisely as recommended by your physician. Follow the prescription of your doctor carefully.

The medication dose given by your physician is based on your health conditions, other medications or food supplements taken, and your reaction to the treatment. To diminish risks for adverse effects, do not increase your dosage, thus take it regularly, or take it as instructed by your physician. Adverse events may still happen even at usual prescription dosages.

If your physician requests you to use this drug consistently, take it regularly to get the most benefits from it. To make you remember it better, take it at a fixed time every day.

Your doctor may need to modify your dosages to ease your symptoms or if you develop adverse reactions.

Follitropin delta is used in the following conditions:

  • Ovarian stimulation regimens for assisted reproduction in infertility

This medicine may be recommended for different uses. Approach your physician or pharmacist for more information.

Do not use Follitropin delta in people with the following conditions:

  • Tumor of the hypothalamus, pituitary gland, ovary, breast, or uterus
  • Ovarian enlargement or cysts not related to polycystic ovarian syndrome 
  • Gynecological hemorrhages of unknown etiology
  • Malformations of sexual organs or fibroid tumors of uterus incompatible with pregnancy
  • Primary ovarian failure
  • Pregnancy
  • Lactation

Follitropin delta may have the following side effects:

  • Ovarian enlargement, torsion, or neoplasms (benign and malignant)
  • Pregnancy loss (by miscarriage or abortion)
  • Multiple pregnancy
  • Ectopic pregnancy (patient with tubal abnormalities)
  • Thromboembolic events
  • Atelectasis
  • Acute respiratory distress syndrome
  • Exacerbation of asthma
  • Nausea
  • Abdominal discomfort
  • Constipation
  • Diarrhea
  • Vomiting
  • Fatigue
  • Headache
  • Dizziness
  • Mood swings
  • Pelvic pain or discomfort
  • Adnexa uteri pain
  • Breast pain or tenderness

Potentially Fatal: 

  • Ovarian hyperstimulation syndrome (OHSS)

Keep in mind that your physician has recommended this drug since he or she has known that the advantage to you is more significant than the risk of adverse reactions. Many individuals utilizing this medicine don’t have serious side effects.  

A severe allergy to this medication is uncommon. In any case, seek emergency medical help if you see any manifestations of a serious allergic response, including a rash, tingling or swelling particularly of the face or tongue or throat, dizziness or difficulty in breathing.

This is not a complete list of side effects. If you see other effects not recorded above, contact your physician or pharmacist.

Take extra caution in patients with the following medical conditions:

  • Polycystic ovarian syndrome
  • History of or current thromboembolic disease
  • Risk factors for thromboembolic events (personal or family history)
  • Severe obesity [Body Mass Index greater than 30 kg/m2]
  • Thrombophilia
  • History of tubal disease

Prior in taking this medicine, tell your physician or pharmacist if you have allergies or other hypersensitivity reactions with the drug. This drug may contain inert ingredients which can cause unfavorable side effects or different issues. Talk with your pharmacist for more information.


There are no known interactions for Follitropin delta.

Inform your physician about the drugs you take including over-the-counter medications, prescribed drugs, supplements and vitamins.

This is not a complete list of drug interactions. Approach your physician or pharmacist for more details.

The effects of certain medications can change if you consume different medications or herbal products simultaneously. This can build your risk for side effects or may cause your drugs not to work effectively. These interactions are possible, yet don’t generally happen. Your physician or pharmacist can prevent or oversee interactions by changing how you utilize your prescriptions or by close checking.

While utilizing this drug, don’t start, stop, or change the dose of other medicines you are using without your physician’s advice.

If an overdose is suspected, call your health care provider immediately.

Available brands:

  • Gonal-F

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