Adults and children 12 years of age and older may take one immediate-release pseudoephedrine 60 milligram tablet every four to six hours, according to Mayo Clinic. Individuals should not take more than 240 milligrams of pseudoephedrine in any 24-hour time period or take the medication for longer than seven days.Continue Reading
Pseudoephedrine is a nasal decongestant that works by narrowing blood vessels in the nasal passages, explains Drugs.com. This medication treats nasal, sinus and ear congestion associated with colds, allergies and sinusitis. Individuals who take other medications, especially beta blockers, certain antidepressants or blood pressure medications, and people with chronic medical conditions, such as heart disease, high blood pressure, diabetes or thyroid problems, should consult with a doctor or pharmacist before taking pseudoephedrine.
Pseudoephedrine may cause unwanted side effects, including loss of appetite, restlessness, excitability, problems sleeping, and skin rash or itching, states Drugs.com. More serious side effects include severe anxiety or dizziness, fast or pounding heartbeat, easy bruising or bleeding, fever, and flu-like symptoms. Severe high blood pressure, which may involve symptoms such as severe headache, blurred vision, confusion, chest pain and problems breathing, is another serious side effect of pseudoephedrine. Individuals experiencing any serious side effects should stop taking pseudoephedrine and call a doctor immediately.Learn more about Medications & Vitamins