Information on the cough syrup chlorpheniramine and hydrocodone (Tussionex). Side effects, dosage, warnings and precautions are included in the information. Using hydrocodone and homatropine syrup for a long time during pregnancy may lead to withdrawal in the newborn baby. This can be life-threatening. Talk with the doctor. This can be life-threatening. Talk with the doctor. Hydrocodone is an opioid pain medication, sometimes called a narcotic. Zohydro ER and Hysingla ER are extended-release forms of hydrocodone that are used for around-the-clock treatment of severe pain. Hydrocodone (Zohydro ER) is an opioid narcotic pain reliever available in capsule form in strengths of 10, 15, 20, 30, 40, and 50mg. Common side effects are vomiting, nausea, and dizziness. Drug interactions, dosage, approved uses, and pregnancy and breastfeeding safety information. Find patient medical information for Hydrocodone-Homatropine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Doctors give unbiased, trusted information on whether Hycodan can cause or treat Cough: Dr. Fowler on hycodan cough syrup dosage: This is a prescription medicine and will have a pharmacy label on it. On the pharmacy label, it will have the expiration date. It is usually around 1 year from the date it was prescribed. If your medicine has expired, and you have continued symptoms, see your doctor. HYCODAN (hydrocodone bitartrate and homatropine methylbromide) is indicated for the symptomatic relief of cough in adults and children 6 years of age and older. DOSAGE AND ADMINISTRATION It is important that HYCODAN oral solution is measured with an accurate measuring device (see PATIENT INFORMATION ). For oral dosage form (7.5 milligrams [mg] per 325 mg per 15 mL solution): Adults and children 14 years of age and older and weighing 46 kg and more—15 milliliters (mL) or 1 tablespoonful every 4 to 6 hours as needed. What is Hydrocodone? Hydrocodone is classified as an opioid, a drug with similar properties to morphine. It is used primarily as a cough suppressant (antitussive) in dogs, working on receptors within the brain. Detailed Homatropine / Hydrocodone dosage information for adults. Includes dosages for Cough; plus renal, liver and dialysis adjustments.