Quick Answer: How Long Does Sudafed 30 Mg Last?

Can you take 2 Sudafed?

Sudafed 12 Hour Take one tablet every 12 hours.

Do not take more than two tablets every 24 hours..

What happens if you take too much Sudafed?

If you take too much, symptoms of an overdose of Sudafed PE can include: headache. dizziness. high blood pressure.

Does Sudafed dry you up?

“Decongestants dry up the mucus that collects in the back of the throat as a result of the infection. Expectorants melt the mucus.” Look for over-the-counter decongestants that contain pseudoephedrine or phenylephrine, such as Sudafed. “I recommend taking this in the morning only.

Can I take Sudafed before bed?

To help prevent trouble in sleeping, take the last dose of pseudoephedrine for each day a few hours before bedtime. If you have any questions about this, check with your doctor.

Can Sudafed make congestion worse?

In addition, using nonprescription decongestant nasal sprays (Afrin, Dristan, others) for more than three or four days can cause even worse nasal congestion once the decongestant wears off (rebound rhinitis).

How long does Sudafed last?

The decongestant effect of pseudoephedrine is noticeable within 30 minutes of oral administration and reaches a peak within one to two hours. One immediate-release tablet of pseudoephedrine lasts anywhere from three to eight hours.

How many Sudafed 30 mg should I take?

Each caplet contains 30 mg of pseudoephedrine HCl, a nasal decongestant. Adults and children 12 years and over: take 2 tablets every 4 to 6 hours. do not take more than 8 tablets in 24 hours.

How much Sudafed can you take in one day?

The recommended dose of SUDAFED® Sinus and Nasal Decongestant, for adults and children over 12 years, is 1 tablet 3 to 4 times a day. SUDAFED® Sinus and Nasal Decongestant should not be used for children under 12 years. Do not exceed 4 tablets in 24 hours.

Can’t sleep after taking Sudafed?

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.

What happens if you take Sudafed for more than 7 days?

Do not take Sudafed for longer than 7 days in a row. Talk with your doctor if your symptoms do not improve after 7 days of treatment, or if you have a fever with a headache, cough, or skin rash. If you need surgery, tell the surgeon ahead of time that you are using Sudafed.

Can Sudafed make you sleepy?

Drowsiness, dizziness, dry mouth/nose/throat, headache, upset stomach, constipation, or trouble sleeping may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.