Common Brand Name(s): Sandomigran
Important: How To Use This Information
This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.
This medication is used to prevent a certain type of headache (vascular headaches such as migraine headaches). It helps to reduce the frequency and severity of your headaches.
This medication should not be used to treat a migraine headache after it has started or to prevent other types of headaches such as tension headaches.
How To Use
Take this medication by mouth with or without food, usually 3 times daily or as directed by your doctor. Your doctor may direct you to start with 1 dose at bedtime, then slowly increase your dose.
The dosage is based on your medical condition and response to treatment.
Do not suddenly stop taking this medication without consulting your doctor. "Rebound headaches" may occur when the drug is suddenly stopped. Your dose should be gradually decreased over a 2-week period.
When used for an extended period, this medication may not work as well and may require different dosing. Talk with your doctor if this medication stops working well.
It may take up to 4 weeks to see whether the medication will be effective for you. Tell your doctor if your headaches persist, worsen, or increase in number.
Drowsiness, increased appetite, weight gain, tiredness, nausea, headache, or dry mouth may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor right away if any of these unlikely but serious side effects occur:
- eye pain
- dark urine
- persistent nausea/vomiting
- severe stomach/abdominal pain
- yellowing eyes/skin
- vision changes
- mental/mood changes (e.g., confusion, depression, nervousness)
- swelling of the ankles/feet
- decreased sexual ability
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including:
- itching/swelling (especially of the face/tongue/throat)
- severe dizziness
- trouble breathing
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Before taking pizotifen, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have:
- stomach/intestinal blockage
Before using this drug, tell your doctor your medical history, especially of:
- glaucoma (narrow-angle)
- difficulty urinating (e.g., due to enlarged prostate)
- breathing problems (e.g., asthma, emphysema)
- heart/blood vessel disease (e.g., stroke, coronary artery disease, irregular heart rhythm)
- high blood pressure (hypertension)
- overactive thyroid (hyperthyroidism)
- kidney disease
- liver disease
This drug may make you dizzy or drowsy. Alcohol or marijuana (cannabis) can make you more dizzy or drowsy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Avoid alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
This drug may pass into breast milk and could have undesirable effects on a nursing infant. Therefore, breast-feeding is not recommended while using this drug. Consult your doctor before breast-feeding.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
Some products that may interact with this drug are:
- antihistamines applied to the skin (such as diphenhydramine cream, ointment, spray)
Taking MAO inhibitors with this medication may cause a serious (possibly fatal) drug interaction. Avoid taking MAO inhibitors (isocarboxazid, linezolid, methylene blue, moclobemide, phenelzine, procarbazine, rasagiline, safinamide, selegiline, tranylcypromine) during treatment with this medication. Most MAO inhibitors should also not be taken for two weeks before treatment with this medication. Ask your doctor when to start or stop taking this medication.
Tell your doctor or pharmacist if you are taking other products that cause drowsiness such as opioid pain or cough relievers (such as codeine, hydrocodone), alcohol, marijuana (cannabis), drugs for sleep or anxiety (such as alprazolam, lorazepam, zolpidem), muscle relaxants (such as carisoprodol, cyclobenzaprine), or antihistamines (such as cetirizine, diphenhydramine).
Check the labels on all your medicines (such as allergy or cough-and-cold products) because they may contain ingredients that cause drowsiness. Ask your pharmacist about using those products safely.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: extreme drowsiness, fast heartbeat, nausea, loss of coordination.
Do not share this medication with others.
Laboratory and/or medical tests (e.g., kidney/liver function) may be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.
Store at room temperature between 59-86 degrees F (15-30 degrees C) away from light and moisture. Do not store in the bathroom. Keep all medicines away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.
Information last revised October 2018.
Copyright(c) 2018 First Databank, Inc.
Conditions of use: The information in this database is intended to supplement, not substitute for the expertise and judgment of healthcare professionals. The information in not intend to cover all possible uses, directions, precautions, drug interactions or adverse effects nor should it be construed in indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.