Nafarelin nasal

Generic name: Nafarelin Nasal
Brand names: Synarel
Dosage form: nasal spray (0.2 mg/inh)
Drug class: Gonadotropin releasing hormones

Usage of Nafarelin nasal

Nafarelin nasal (for the nose) is used to treat central precocious puberty in boys and girls. Central precocious puberty is early sexual development that occurs at or before 8 years of age in girls or 9 years of age in boys, with bone development that is advanced for the child's age.

Nafarelin nasal is also used to treat endometriosis in women who are at least 18 years old.

Nafarelin nasal may also be used for purposes not listed in this medication guide.

Nafarelin nasal side effects

Get emergency medical help if you have signs of an allergic Reaction: itching, rash, or hives; chest pain, difficult breathing; swelling of your face, lips, tongue, or throat.

Nafarelin nasal may cause serious side effects. Call your doctor at once if you have:

  • vaginal spotting or continued menstrual bleeding;
  • pelvic pain or swelling;
  • a seizure;
  • depression--mood changes, feelings of low self-worth, loss of interest in things you once enjoyed, new sleep problems, thoughts about hurting yourself;
  • increased pressure inside the skull--severe headaches, ringing in your ears, dizziness, nausea, vision problems, pain behind your eyes; or
  • signs of a pituitary gland problem--sudden headache, confusion, vision changes, vomiting, weak pulse, slowed breathing.
  • Some children using nafarelin have HAD new or worsening mental problems. Call your doctor right away if your child has any unusual changes in mood or behavior (anger, aggression, crying, feeling restless or irritable).

    Some side effects can be expected during the first month of using nafarelin nasal and are not a reason to stop using the medicine. Tell your doctor if you have any side effect that is ongoing or bothersome.

    Common side effects of nafarelin nasal may include:

  • vaginal bleeding, discharge, or dryness;
  • hot flashes;
  • acne;
  • increase or decrease in breast size;
  • runny nose;
  • headaches, muscle pain;
  • mood changes;
  • decreased interest in sex;
  • itchy, red, or flaky rash;
  • increased body odor; or
  • increase in pubic hair growth.
  • This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

    Before taking Nafarelin nasal

    You should not use nafarelin nasal if you are allergic to nafarelin or similar medicines such as goserelin, Leuprolide, Histrelin, or triptorelin.

    If you are woman, you should not use nafarelin nasal if you have:

  • abnormal vaginal bleeding that has not been checked by a doctor; or
  • if you are pregnant or breastfeeding.
  • Tell your doctor if you have ever had:

  • epilepsy or other seizure disorder;
  • mental illness;
  • a tumor or blood vessel problem in your brain;
  • polycystic ovary disease;
  • low bone mineral density;
  • osteoporosis (in you or a family member); or
  • if you smoke or drink large amounts of alcohol.
  • Do not use nafarelin nasal if you are pregnant. It could harm the unborn baby. You may need to have a negative pregnancy test before starting this treatment.

    Even though this medicine may cause you not to ovulate or have regular menstrual periods, you should use effective nonhormonal birth control to prevent pregnancy while you are using this medicine.

    Nafarelin nasal can make hormonal birth control less effective, including birth control pills, injections, implants, skin patches, and vaginal rings. Use barrier birth control to prevent pregnancy: condom, diaphragm, cervical cap, or contraceptive sponge.

    You should not breastfeed while using nafarelin nasal.

    Relate drugs

    How to use Nafarelin nasal

    Usual Adult Dose for Endometriosis:

    200 mcg (as 1 spray into 1 nostril) intranasally 2 times a day-Maximum dose: 800 mcg/day (as 1 spray into each nostril 2 times a day)-Duration of therapy: 6 monthsComments:-Doubling the recommended dose should be considered in compliant patients who experience menstruation for 2 months after starting treatment.-Treatment should begin between days 2 and 4 of the menstrual cycle.-Patients receiving the recommended dose should alternate nostrils, with administration into one nostril in the morning and the other nostril in the evening.Use: Management of endometriosis, including pain relief and reduction of endometriotic lesions

    Usual Pediatric Dose for Precocious Puberty:

    800 mcg (as 2 sprays into each nostril) intranasally 2 times a day-Maximum dose: 1800 mcg/day (as 3 sprays into alternating nostrils 3 times a day)Comments:-If patients do not have symptom resolution within the first 2 months of treatment, compliance and gonadotropin inDependent sexual precocity should be evaluated; the dose may be increased to 1800 mcg/day if both etiologies are excluded.-Signs of puberty may occur early in treatment, but should resolve after the first month.-Treatment may continue until the resumption of puberty is appropriate.Use: Treatment of central/gonadotropin-dependent precocious puberty

    Warnings

    Do not use if you are pregnant. Use effective birth control, and tell your doctor if you become pregnant.

    Some children using nafarelin have had new or worsening mental problems. Call your doctor right away if your child has any unusual changes in mood or behavior (anger, aggression, crying, feeling restless or irritable).

    Nafarelin may also cause seizures, especially in people who have had a seizure, epilepsy, a brain tumor, or blood vessel problems in the brain. Your risk of a seizure may also be higher if you take certain antidepressant medications.

    You should not use nafarelin nasal if you have abnormal vaginal bleeding that has not been checked by a doctor.

    What other drugs will affect Nafarelin nasal

    Tell your doctor about all your other medicines, especially:

  • an antidepressant;
  • seizure medicine; or
  • steroid medicine.
  • This list is not complete. Other drugs may affect nafarelin nasal, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.

    Disclaimer

    Every effort has been made to ensure that the information provided by Drugslib.com is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Drugslib.com information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Drugslib.com does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Drugslib.com's drug information does not endorse drugs, diagnose patients or recommend therapy. Drugslib.com's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.

    The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Drugslib.com does not assume any responsibility for any aspect of healthcare administered with the aid of information Drugslib.com provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

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