Feirza 1/20 Side Effects
What should I watch for?
Visit your care team for regular checks on your progress. You will need regular breast and pelvic exams and a Pap smear while on this medication.
Use an additional method of contraception during the first cycle that you take this medication.
If you may be pregnant, stop taking this medication right away and contact your care team.
If you are taking this medication for hormone related problems, it may take several cycles of use to see improvement in your condition.
Talk to your care team if you use tobacco products. Changes to your treatment plan may be needed. Tobacco increases the risk of getting a blood clot or having a stroke while you are taking this medication. The risk is higher if you are 35 years or older.
This medication can make your body retain fluid, making your fingers, hands, or ankles swell. Your blood pressure can go up. Contact your care team if you feel you are retaining fluid.
This medication can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and sunscreen. Do not use sun lamps, tanning beds, or tanning booths.
If you wear contact lenses and notice visual changes, or if the lenses begin to feel uncomfortable, consult your eye care specialist.
Tenderness, swelling, or minor bleeding of the gums may occur. Talk to your dentist if this happens. Brushing and flossing your teeth regularly may reduce the risk of side effects. Visit your dentist on a regular basis. Tell your dentist about any medications you are taking.
If you are going to have elective surgery, you may need to stop taking this medication before the surgery. Consult your care team for advice.
Using this medication does not protect you or your partner against HIV or other sexually transmitted infections (STIs).
What are the side effects?
Side effects that you should report to your care team as soon as possible:
- Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
- Blood clot—pain, swelling, or warmth in the leg, shortness of breath, chest pain
- Gallbladder problems—severe stomach pain, nausea, vomiting, fever
- Increase in blood pressure
- Liver injury—right upper belly pain, loss of appetite, light-colored stool, dark yellow or brown urine, yellowing skin or eyes, unusual weakness or fatigue
- New or worsening migraines or headaches
- Stroke—sudden numbness or weakness of the face, arm or leg, trouble speaking, confusion, trouble walking, loss of balance or coordination, dizziness, severe headache, change in vision
- Unusual vaginal discharge, itching, or odor
- Worsening mood, feelings of depression
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
- Breast pain or tenderness
- Dark patches of skin on the face or other sun-exposed areas
- Irregular menstrual cycles or spotting
- Nausea
- Weight gain
What may interact with this drug?
Do not take this medication with the following:
This medication may also interact with the following:
- Acetaminophen
- Aprepitant
- Ascorbic acid (vitamin C)
- Atorvastatin
- Barbiturate medications, such as phenobarbital
- Bosentan
- Carbamazepine
- Caffeine
- Certain antibiotics, such as rifampin, rifabutin, rifapentine, griseofulvin, penicillins, or tetracyclines
- Certain antivirals for HIV, such as ritonavir
- Clofibrate
- Cyclosporine
- Dantrolene
- Doxercalciferol
- Felbamate
- Grapefruit juice
- Hydrocortisone
- Medications for anxiety or sleeping problems, such as diazepam or temazepam
- Medications for diabetes, including pioglitazone
- Mineral oil
- Modafinil
- Mycophenolate
- Nefazodone
- Oxcarbazepine
- Phenytoin
- Prednisolone
- Rosuvastatin
- Selegiline
- Soy isoflavones supplements
- St. John's wort
- Tamoxifen or raloxifene
- Theophylline
- Thyroid hormones
- Topiramate
- Warfarin