Can I take 2 Sudafed 12 Hour at once?

Sudafed 12 Hour Do not take more than two tablets every 24 hours. Do not crush or chew the caplets. Children younger than 12 years. Do not use this medication for children younger than 12 years.

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One may also ask will pseudoephedrine keep me awake?

A stuffy nose keeps sleep at bay, but so does pseudoephedrine, the main ingredient in many OTC decongestants (it's been known to cause insomnia). Do: Breathe easy with a decongestant formulated specifically for nighttime use. These usually contain antihistamines, which have been known to make people drowsy. How many Sudafed 60mg can you take? Adults and adolescents 12 years and over: Take one sudafed tablet with water, every 4-6 hours. Do not exceed 4 tablets in any 24-hour period.

Then, is ephedrine a hormone?

Ephedra contains a natural alkaloid ephedrine, similar to the hormone epinephrine (adrenaline), a stimulant that acts on the central nervous system (CNS), dilates the bronchial tubes in the lungs, elevates blood pressure, and increases heart rate thereby giving a feeling of jolt of energy. And another question, how much does ephedrine raise blood pressure? Ephedrine (10 mg/min) in six subjects resulted in average increases of 17 mm Hg in mean arterial pressure, 1260 ml/ min in cardiac output and 15 beats/min in heart rate.

Is ephedrine FDA approved?

The Food and Drug Administration has approved the New Drug Application (NDA) for Emerphed (Nexus Pharmaceuticals), a premixed, ready-to-use formulation of ephedrine sulfate. Can I take 90 mg of Sudafed? Adults and children 12 years of age and older—60 milligrams (mg) every four to six hours. Do not take more than 240 mg in twenty-four hours. Children 6 to 12 years of age—30 mg every four to six hours. Do not take more than 120 mg in twenty-four hours.