What Happens If You Take Too Much Phenylephrine?

What happens if you take too much nasal decongestant?

Nasal spray addiction is not a true “addiction,” but it can lead to tissue damage inside the nose.

This can result in swelling and long-term stuffiness that leads to further use and overuse of the spray.

In some cases, a person may need to undergo additional treatment, and possibly surgery, to correct any damage..

What drugs interact with phenylephrine?

Severe Interactions of phenylephrine include:iobenguane I 123.isocarboxazid.linezolid.phenelzine.procarbazine.selegiline transdermal.tranylcypromine.

What are the side effects of phenylephrine?

Mild upset stomach, trouble sleeping, dizziness, lightheadedness, headache, nervousness, shaking, or fast heartbeat may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. This product may reduce blood flow to your hands or feet, causing them to feel cold.

Can you overdose on nasal decongestant?

Symptoms of overdose may include: severe dizziness/fainting, hallucinations, fast/irregular heartbeat, slow/shallow breathing, vomiting, seizures. If this product has been prescribed, do not share this medication with others. This medication is for temporary use only.

How often can you take 10 mg of phenylephrine?

Directions: adults and children 12 years and over: take 1 tablet every 4 hours; do not take more than 6 tablets in 24 hours; children under 12 years: ask a doctor.

Is it safe to take 2 Sudafed?

Sudafed 12 Hour Do not take more than two tablets every 24 hours. Do not crush or chew the caplets.

Can I get high off phenylephrine?

Other active ingredients in cough syrup (acetaminophen, phenylephrine) are not psychoactive, but overdoses can be dangerous, even lethal. DXM overdose is a medical emergency and can be fatal.

How much phenylephrine is too much?

Do not take more than 4 doses in 24 hours. If your symptoms do not go away talk to your doctor or pharmacist. Do not take for more than 7 days unless your doctor tells you to. Do not take more than the amount recommended on the label of the packaging of the medicine you have purchased.

Does phenylephrine keep you awake?

Sudafed Pe (Phenylephrine) Clears your sinuses. Sudafed (Pseudoephedrine) relieves stuffy nose, but it could keep you up at night. Don’t forget your photo ID or you won’t be able to buy it in the drugstore.

Is phenylephrine a stimulant?

Is phenylephrine a stimulant? Phenylephrine does stimulate alpha-adrenergic receptors which may make it responsible for central nervous system stimulant effects such as restlessness, anxiety, and insomnia.

How can I unblock my nose?

Here are eight things you can do now to feel and breathe better.Use a humidifier. A humidifier provides a quick, easy way to reduce sinus pain and relieve a stuffy nose. … Take a shower. … Stay hydrated. … Use a saline spray. … Drain your sinuses. … Use a warm compress. … Try decongestants. … Take antihistamines or allergy medicine.

Who should not take phenylephrine?

do not take phenylephrine if you are taking a monoamine oxidase (MAO) inhibitor, such as isocarboxazid (Marplan), phenelzine (Nardil), selegiline (Eldepryl, Emsam, Zelapar), and tranylcypromine (Parnate), or if you have stopped taking one of these medications within the past 2 weeks.

Does phenylephrine help cough?

Phenylephrine is a decongestant that shrinks blood vessels in the nasal passages. Dextromethorphan, guaifenesin, and phenylephrine is a combination medicine used to treat cough, stuffy nose, and chest congestion caused by allergies, the common cold, or the flu.

Will phenylephrine cause a false positive?

The cough suppressant dextromethorphan may cause false-positive PCP1,2,4 and opioid levels due to its metabolite’s similarity to the opioid agonist levorphanol. Furthermore, decongestants phenylephrine and pseudoephedrine have shown false-positive amphetamine levels due to similar structures.

How long does phenylephrine stay in your system?

The elimination half life of phenylephrine is about 2.5 to 3.0 hours.

How many mg of decongestant is safe?

For nasal or sinus congestion: For regular (short-acting) oral dosage form (capsules, oral solution, syrup, or tablets): 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.

Is it OK to take phenylephrine with high blood pressure?

To keep your blood pressure in check, avoid over-the-counter decongestants and multisymptom cold remedies that contain decongestants — such as pseudoephedrine, ephedrine, phenylephrine, naphazoline and oxymetazoline. Instead: Choose a cold medication designed for people who have high blood pressure.

Is phenylephrine a sedative?

Diazepam in the specified dose produced strong sedation, while phenylephrine had no sedative effect in the open-field test.

Does phenylephrine make you anxious?

severe dizziness or nervousness; sleep problems (insomnia); or. increased blood pressure–severe headache, blurred vision, pounding in your neck or ears.

Can I take 20 mg of phenylephrine?

In the USA and Australia, the adult dosage of phenylephrine HCl is 10 mg every 4 h, whereas in a few South American countries, the adult dosage in combination products may be 20 mg every 8 h. The total daily dose is 60 mg for both regions.