Evafedrin Extended-Release Capsule

Adult dose

Administer 1 capsule once daily; in severe cases, take 1 capsule twice daily. The treatment duration should be restricted to when symptoms are severe, and generally should not exceed 10 days.

Child dose

For adolescents aged 12 years and older, administer 1 capsule once daily. For rhinitis related to colds, do not continue for more than 3 days.

This medication contains pseudoephedrine and may rarely cause serious skin reactions. If fever or small blisters appear on the skin, discontinue use immediately and consult a doctor. Patients with allergies to this medication or certain conditions, such as glaucoma, severe hypertension, hyperthyroidism, heart problems, severely impaired liver or kidney function, children under 12 years old, pregnant or nursing women, and those with genetic issues like lactose intolerance should not take this medication. Individuals with glaucoma, hypertension, heart disease, diabetes, prostatic hypertrophy, liver function problems, specific cardiac rhythm disorders, or who are over 60 years old should be particularly cautious when taking this medication, as it may worsen liver function. Taking this medication may occasionally lead to side effects such as rapid heartbeat, drowsiness, nervousness, headache, nausea, vomiting, abdominal pain, dry mouth, skin rash, and others. Rarely, it may cause elevated liver function tests or cardiac rhythm issues; consult a doctor if symptoms occur. While this medication does not usually induce drowsiness, one should take care when driving or operating dangerous machinery until they are sure of their response. Due to the pseudoephedrine component, if sudden abdominal pain, bleeding, severe headache, vomiting, confusion, seizures, or visual disturbances occur, stop taking the medication immediately and visit a hospital. This medication may enhance the effects of other antihistamines and can interact with certain blood pressure medications or antibiotics. Therefore, inform your doctor or pharmacist if you are taking any other medications. Pregnant or nursing women should take this medication cautiously only when absolutely necessary, and it is advisable to stop nursing when using this medication. If overdosed, immediate medical attention is necessary for gastric lavage and vital life-supporting treatment, including monitoring heart status. Store this medication out of reach of children, and be cautious as transferring it to another container may affect its quality and safety.

Serious side effects

Acute generalized exanthematous pustulosis (AGEP), severe allergic reactions (including anaphylactic shock), severe skin reactions (fever, erythema, numerous small pustules, skin peeling), severe headache, thunderclap headache, seizures, confusion, visual disturbances, paralysis, difficulty breathing, chest tightness, palpitations, elevated blood pressure, kidney failure, or severe swelling.

Mild side effects

Drowsiness, nervousness, numbness, weakness, depression, excitement, lethargy, headache, nausea, vomiting, abdominal pain, gastrointestinal disturbances, dry mouth, discomfort in the stomach, dry throat, glossitis, diarrhea, constipation, elevated AST, ALT, LDH, alkaline phosphatase, rash, swelling, mild weight gain, eosinophilia, chest tightness, elevated BUN, diabetes, dry mouth, insomnia, dizziness, nausea, acute generalized exanthematous pustulosis (AGEP) and similar conditions.

Store this medication in a sealed container to prevent air from entering and keep it at room temperature between 1 to 30 degrees Celsius. This is to maintain the effectiveness of the medicine and prevent deterioration.

Appearance

Red hard capsule containing white to grayish-white spherical granules

Package unit

30 capsules/bottle, 100 capsules/bottle