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Top of the page. Congestac slide 2 of 8, Congestac,. What is the most important information I should know about guaifenesin and pseudoephedrine? What is guaifenesin and pseudoephedrine? What should I discuss with my healthcare provider before taking guaifenesin and pseudoephedrine? You should not use guaifenesin and pseudoephedrine if you are allergic to it. How should I take guaifenesin and pseudoephedrine? Do not crush, chew, break, or open an extended-release tablet or capsule.
Swallow it whole. What happens if I miss a dose? What happens if I overdose? Seek emergency medical attention or call the Poison Help line at What should I avoid while taking guaifenesin and pseudoephedrine?
Drinking alcohol with this medicine can cause side effects. What are the possible side effects of guaifenesin and pseudoephedrine? Stop using guaifenesin and pseudoephedrine and call your doctor at once if you have:. What other drugs will affect guaifenesin and pseudoephedrine?
Where can I get more information? Since pseudoephedrine is used when needed, you may not be on a dosing schedule. If you are on a schedule, use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose.
Do not use extra medicine to make up the missed dose. Overdose symptoms may include hallucinations, slow heartbeats, or seizure convulsions.
Health Topics. Health Tools. Pseudoephedrine Sudafed. Reviewed: June 23, Nasal Congestion. Ask a doctor or pharmacist if it is safe for you to use pseudoephedrine if you have other medical conditions, especially: heart disease or high blood pressure; enlarged prostate and urination problems; diabetes; or a thyroid disorder.
Side Effects. Side Effects What are the side effects of Pseudoephedrine Sudafed? Stop using pseudoephedrine and call your doctor at once if you have: fast or pounding heartbeats; severe dizziness; severe nervousness; or sleep problems insomnia. Common side effects may include: feeling restless or nervous. Interactions What drugs and food should I avoid while taking Pseudoephedrine Sudafed? Pseudoephedrine comes as a regular tablet, a hour extended-release long-acting tablet, a hour extended-release tablet, and a solution liquid to be taken by mouth.
The regular tablets and liquid are usually taken every 4 to 6 hours. The hour extended-release tablets usually are taken every 12 hours, and you should not take more than two doses in a hour period. The hour extended-release tablets usually are taken once a day, and you should not take more than one dose in a hour period.
To help prevent trouble sleeping, take the last dose of the day several hours before bedtime. Follow the directions on the package label or on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand.
Take pseudoephedrine exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor or directed on the label. Pseudoephedrine comes alone and in combination with other medications. Ask your doctor or pharmacist for advice on which product is best for your symptoms.
Check nonprescription cough and cold product labels carefully before using 2 or more products at the same time. These products may contain the same active ingredient s and taking them together could cause you to receive an overdose. This is especially important if you will be giving cough and cold medications to a child. Nonprescription cough and cold combination products, including products that contain pseudoephedrine, can cause serious side effects or death in young children.
Do not give nonprescription pseudoephedrine products to children younger than 4 years of age. If you give these products to children years of age, use caution and follow the package directions carefully.
Do not give pseudoephedrine extended-release tablets to children younger than 12 years of age. If you are giving pseudoephedrine or a combination product that contains pseudoephedrine to a child, read the package label carefully to be sure that it is the right product for a child of that age.
Do not give pseudoephedrine products that are made for adults to children. Before you give a pseudoephedrine product to a child, check the package label to find out how much medication the child should receive.
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