Phenobarbital Coupons & Discount Card - Compare Prices Near You

While adjusting to the medication, you might experience dizziness, drowsiness, excitement, headaches, fatigue, loss of appetite, nausea, or vomiting. These effects are generally mild but should be discussed with a healthcare professional if they persist or worsen. Most individuals using this medication do not encounter serious issues.

However, a small number of people taking anticonvulsants may develop mental health changes, such as depression or suicidal thoughts. It is crucial to seek medical attention if you or someone close to you notices sudden mood changes or thoughts of self-harm.

Serious side effects, although uncommon, require prompt medical attention. These include coordination problems, double vision, fainting, slow heartbeat, severe fatigue, or pale skin. If you experience slow or shallow breathing, seek emergency care immediately.

Allergic reactions to this medication are rare but serious. Symptoms such as fever, swollen lymph nodes, rash, itching or swelling of the face, tongue, or throat, severe dizziness, or difficulty breathing necessitate immediate medical intervention.

This overview does not cover all possible side effects. If you observe any other unusual effects, consult your healthcare provider for further advice.

Some medications that can interact with this drug include Darunavir and Orlistat. Additionally, certain drugs can alter how phenobarbital is removed from your body, impacting its effectiveness. An example is St. John's wort. Phenobarbital can also accelerate the elimination of other medicines, potentially reducing their effectiveness. Affected drugs include artemether/lumefantrine, asunaprevir, Atazanavir, cobicistat, Etravirine, Lurasidone, ranolazine, rilpivirine, sofosbuvir, Sorafenib, Voriconazole, and some calcium channel blockers like felodipine and Nimodipine.

This medication may also reduce the effectiveness of hormonal birth control methods, such as pills, patches, or rings, which could lead to pregnancy. Consult your doctor or pharmacist to determine if you need to use additional reliable birth control methods while taking this drug. Report any new spotting or breakthrough bleeding to your doctor, as these may indicate that your birth control is not working properly.

Taking this medication with other products that cause drowsiness or breathing issues can increase the risk of severe side effects, such as slowed or shallow breathing and extreme drowsiness or dizziness. Inform your doctor or pharmacist if you are using opioid pain or cough relievers (like codeine or hydrocodone), alcohol, marijuana (cannabis), sleep or anxiety medications (such as Alprazolam, Lorazepam, or Zolpidem), muscle relaxants (like Carisoprodol or Cyclobenzaprine), or antihistamines (such as Cetirizine or diphenhydramine).

Review the labels on all your medications, including those for allergies or cold symptoms, as they may contain ingredients that cause drowsiness. Consult your pharmacist about using these products safely.

Phenobarbital is very similar to Primidone, so avoid using primidone-containing medications while taking phenobarbital.