Phenytoin Infatabs Coupons & Discount Card - Compare Prices Near You

You may experience mild side effects such as headache, nausea, vomiting, constipation, dizziness, a sensation of spinning, drowsiness, trouble sleeping, or nervousness. These effects are generally not severe but should be monitored. If they persist or worsen, consult your healthcare provider. Phenytoin can also lead to gum swelling and bleeding. To help manage this, maintain good oral hygiene by brushing, flossing, and visiting your dentist regularly.

While most individuals do not experience serious side effects, be vigilant for any of the following: slow heartbeat, unusual eye movements, loss of coordination, trouble speaking, confusion, muscle twitching, vision changes, tingling in extremities, facial changes like swollen lips or a rash, excessive hair growth, increased thirst or urination, fatigue, or bone pain. Contact your healthcare provider immediately if you notice these symptoms.

In rare cases, some people may experience mood changes, including depression or suicidal thoughts. It is crucial to seek help if you or someone you know notices any significant changes in mood or behavior. Men might experience a rare side effect of a painful or prolonged erection; immediate medical attention is necessary in this case to prevent long-term issues.

Serious side effects requiring urgent medical attention include uncontrolled muscle movements, liver problems (persistent nausea, abdominal pain, yellowing of skin or eyes, dark urine), or easy bruising and bleeding. Though an allergic reaction is rare, seek emergency care if you experience symptoms such as fever, swollen lymph nodes, rash, severe dizziness, or difficulty breathing. This summary does not cover all possible side effects. If you encounter any other unusual effects, consult your healthcare provider.

Some drugs and products that can interact with this medication include Colesevelam, Orlistat, and Sucralfate. Certain medications can influence the elimination of phenytoin from the body, potentially altering its effectiveness. These include Amiodarone, azapropazone, azole antifungals (like Itraconazole), macrolide antibiotics (such as Erythromycin), estrogens, Isoniazid, rifamycins (such as Rifabutin), and St. John's wort, among others.

Phenytoin can also hasten the removal of other drugs from your system, which might impact their effectiveness. Affected medications include Atazanavir, certain cancer treatments (such as Imatinib and irinotecan), cobicistat, corticosteroids (such as Prednisone), doravirine, Etravirine, felodipine, nisoldipine, Quetiapine, quinidine, rilpivirine, suvorexant, telithromycin, Theophylline, and Vitamin D, among others.

This drug may reduce the effectiveness of hormonal birth control methods like pills, patches, or rings, which could result in pregnancy. Consult your doctor or pharmacist about using additional reliable birth control while taking this medication. Notify your doctor if you experience any unusual spotting or breakthrough bleeding, as these may indicate decreased birth control effectiveness.

Additionally, this medication may interfere with certain laboratory tests, potentially leading to incorrect results. Ensure that all lab personnel and your healthcare providers are aware that you are using this medication.