Please note: a valid prescription is required for all prescription medication.
Allergy Diphenhydramine is an antihistamine used to relieve allergy symptoms such as sneezing, runny nose, itching, and watery eyes. It is also effective for treating hives, rashes, and itching caused by allergic reactions. Diphenhydramine works by blocking histamine, a substance in the body that causes allergic symptoms.
Benefits
- Relieves sneezing, runny nose, and itchy or watery eyes
- Helps reduce itching and swelling from hives and rashes
- Can be used to treat mild allergic skin reactions
- Provides relief from insect bites and minor allergic irritations
- May help with nighttime allergy symptoms due to its calming effect
Dosage
- The usual adult dose is 25 mg to 50 mg every four to six hours as needed
- Children’s dosing depends on age and weight, and should follow a doctor’s instructions or product labeling
- Do not exceed 300 mg per day for adults unless directed by a doctor
- Take with or without food, but always with a full glass of water if swallowing a tablet or capsule
- If using liquid form, measure the dose carefully with a proper measuring device
Warnings and Precautions
- Avoid using Diphenhydramine with alcohol or other sedating medications as it can increase drowsiness
- Not recommended for children under two years old without medical advice
- Consult your doctor if you have glaucoma, breathing problems, or prostate issues before taking this medicine
- Use caution when driving or operating machinery as this medicine may cause drowsiness
- Do not use with other products that contain Diphenhydramine to avoid accidental overdose
Usage Instructions
- Take only as directed by your healthcare provider or product label
- For allergies, take at the first sign of symptoms for best results
- Do not use more frequently or in higher doses than recommended
- If you are using it as a sleep aid, take it 30 minutes before bedtime
- Contact a doctor if symptoms persist or worsen after several days of use
Storage Information
- Store at room temperature, between 20°C and 25°C (68°F and 77°F)
- Keep away from heat, moisture, and direct sunlight
- Store in a secure place, out of reach of children and pets
- Do not use if the packaging is damaged or expired
Common Side Effects
- Drowsiness
- Dizziness
- Dry mouth, nose, or throat
- Blurred vision
- Constipation
- Upset stomach
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Can Allergy Diphenhydramine be used for sleep problems?
Yes, Diphenhydramine is sometimes used as a short-term sleep aid due to its drowsiness effect. Always consult a doctor before using it regularly for sleep.
Is Diphenhydramine safe for long-term use?
Diphenhydramine is generally intended for short-term use. Long-term or frequent use should only be under a doctor’s guidance to avoid risks like dependency or tolerance.
Can I take Diphenhydramine with other allergy medications?
You should avoid taking Diphenhydramine with other antihistamines to prevent overdose. Talk to your doctor if you need additional allergy relief.
What should I do if I accidentally take too much Diphenhydramine?
Seek immediate medical attention or call a poison control center if you think you have taken too much. Overdose symptoms include extreme drowsiness, confusion, and rapid heart rate.
Can children take Allergy Diphenhydramine for colds?
It is not recommended to use Diphenhydramine for cold symptoms in young children unless directed by a doctor. Always check dosing guidelines for children.
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