Introduction

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Uses of Phenadryl

Motion sickness
Insomnia
Nasal allergy symptoms

Side effects of Phenadryl

Dizziness
Drowsiness
Dryness in mouth

How to use Phenadryl

Take this medicine in the dose and duration as advised by your doctor. Check the label for directions before use. Measure it with a measuring cup and take it by mouth. Shake well before use. Phenadryl may be taken with or without food, but it is better to take it at a fixed time.

How Phenadryl works

Phenadryl is an antihistaminic medication. It blocks the action of certain chemical messengers that are responsible for inflammation, congestion, itching, and other allergic reactions.

What if you forget to take Phenadryl?

If you miss a dose of Phenadryl, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

Quick Tips

Avoid driving or operating dangerous machinery as it may decrease alertness.
Avoid consuming alcohol when taking the Phenadryl, as it may cause excessive sleepiness or drowsiness.

Safety Advice

UNSAFE – Alcohol: Phenadryl may cause excessive drowsiness with alcohol.
SAFE IF PRESCRIBED – Pregnancy: Phenadryl is generally considered safe to use during pregnancy. Animal studies have shown low or no adverse effects to the developing baby; however, there are limited human studies.
SAFE IF PRESCRIBED – Breastfeeding: Phenadryl is probably safe to use during breastfeeding. Limited human data suggests that the drug does not represent any significant risk to the baby.\nLarger doses or prolonged use of Phenadryl may cause sleepiness and other effects in the baby
UNSAFE – Driving: Phenadryl may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
SAFE IF PRESCRIBED – Kidney: Phenadryl is safe to use in patients with kidney disease. No dose adjustment of Phenadryl is recommended.\nHowever, talk to your doctor if you have any underlying kidney disease.
CONSULT YOUR DOCTOR – Liver: There is limited information available on the use of Phenadryl in patients with liver disease. Please consult your doctor.