Q. What is Tamiflu and what is it approved for? A. Tamiflu (oseltamivir phosphate) is an antiviral drug. It works by attacking the flu virus to keep it. Step 3. Place the Tamiflu under your TEEN's tongue if he objects to the medicine's taste or texture. He will not taste as much of the medication and will. 2 Answers - Posted in: mucinex, mucinex dm, sudafed, nasal congestion - Answer: Yes, it's fine to take Mucinex DM (dextromethorphan and guaifenesin). By Dr. Sherri Tenpenny, DO, AOBNMM, ABIHM. January 12, 2013: Over the last few weeks, news outlets have been trumpeting reports on the latest influenza epidemic. Common Side Effects of Mucinex D. Tell your doctor if any of the following side effects of Mucinex D become severe or don't go away: Insomnia; Upset stomach, nausea. Tell a Colleague. You can send this page to others if you think the information on this page may benefit them. Tell your colleagues by providing the. Surprising Health Benefits of Sex. How would you like a stronger immune system or better sleep? Action between the sheets can help you get all of this and more. Medscape - Influenza-specific dosing for Tamiflu (oseltamivir), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation. How to Take Tamiflu. Take Tamiflu within 48 hours of flu symptom onset. You have a choice of capsules or liquid. It’s best to. Tamiflu is the brand name of the prescription drug oseltamivir, used to treat influenza A and B in people who have flu symptoms. They may also prescribe it to prevent.