Walgreens Promethazine Syrup: Complete Guide

 

Walgreens Promethazine Syrup is an antihistamine medication primarily used to treat allergies, motion sickness, nausea, and cold symptoms. It contains promethazine hydrochloride, which works by blocking histamine receptors in the body, cough syrup walgreens​ at ket-pharma.

This syrup is available by prescription and sometimes over-the-counter (OTC) depending on local regulations.

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Uses of Walgreens Promethazine Syrup

1. Allergy Relief

• Reduces runny nose, sneezing, and itching caused by seasonal allergies.
• Helps manage hives and skin rashes.

2. Nausea & Vomiting Treatment

• Used to prevent and treat motion sickness.
• Prescribed for post-surgery nausea and chemotherapy-related nausea.

3. Cold & Flu Symptom Relief

• Eases cough, congestion, and sinus pressure.
• Often combined with codeine or decongestants for stronger relief (prescription only).

4. Sedative & Sleep Aid

• Helps patients with trouble sleeping due to allergies or colds.
• Used before surgery as a pre-anesthetic sedative.

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Dosage & Administration

Recommended Dosage

Dosage varies based on age, condition, and doctor’s prescription. Below are general guidelines:

• Allergy treatment:
  • Adults & children over 12: 5–10 mL (1–2 teaspoons) every 4–6 hours.
  • Children (6–12 years): 5 mL every 6–8 hours.
  • Children under 6: Consult a doctor.
• Nausea & motion sickness:
  • Take 30–60 minutes before travel.
  • Repeat every 8 to 12 hours as needed.
• Cold & flu symptoms:
  • 5–10 mL every 4–6 hours.
  • Do not exceed 40 mL per day unless directed by a doctor.

How to Take Promethazine Syrup

1. Shake well before use.
2. Use a measuring spoon or syringe (not a household spoon).
3. Take with or without food, but with food if stomach upset occurs.
4. Store at room temperature and away from light.

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Side Effects of Walgreens Promethazine Syrup

Positive Effects (Benefits)

Provides quick relief from allergies, nausea, and cold symptoms.
Can help with motion sickness prevention.
May aid sleep for those with nighttime congestion.
Often more effective than standard antihistamines.

Negative Effects (Risks & Side Effects)

      Drowsiness & dizziness – Avoid driving or operating machinery.
      Blurred vision – Temporary but can be concerning.
      Dry mouth & constipation – Common with antihistamines.
      Respiratory depression – Severe risk when combined with opioids or alcohol.
      Allergic reactions – Rash, swelling, and breathing difficulties (seek medical help).
      Hallucinations & confusion – More common in people older than 70.

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Warnings & Precautions

Who Should Avoid This Syrup?

• Children under 2 years old – Risk of severe breathing problems.
• People with asthma – Can cause breathing difficulties.
• Those with liver disease – Metabolism of the drug may be slower.
• Patients with glaucoma – May increase eye pressure.
• Pregnant or breastfeeding women – Consult a doctor first.

 Drug Interactions

• Do not mix with alcohol – Increases drowsiness and overdose risk.
• Avoid opioids (e.g., codeine, oxycodone) – Can cause severe sedation.
• Benzodiazepines (e.g., Valium, Xanax) – Increases dizziness and drowsiness.
• Antidepressants (SSRIs, MAOIs) – May increase the risk of serotonin syndrome.

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Prescription & Availability

• Available over-the-counter (OTC) for mild allergy and nausea relief.
• Prescription required for stronger formulations, especially with codeine.
• Some states restrict sales due to misuse potential.

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Frequently Asked Questions (FAQs)

1. Can I use Walgreens Promethazine Syrup for a cough?

• Yes, but it works best for allergy-related coughs rather than bacterial infections.

2. How long does it take to work?

• Effects start within 20–30 minutes and last 4–6 hours.

3. Can I give this to my child?

• Only under a doctor’s advice. Not recommended for children under 6 years old.

4. Will it make me sleepy?

• Yes, drowsiness is a common side effect. Avoid alcohol and sedatives.

5. Can I take this syrup daily?

• Only if prescribed by a doctor for long-term conditions like allergies.

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Final Thoughts: Is Walgreens Promethazine Syrup Right for You?

Walgreens Promethazine Syrup is an effective medication for allergies, nausea, motion sickness, and cold symptoms. However, it can cause drowsiness and other side effects, so it should be used cautiously and only as directed, cough syrup walgreens​.

For safety, always follow prescription guidelines and avoid mixing with alcohol or sedatives.

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External Resources

• FDA Guide on Promethazine
• Walgreens Official Page