✅ Yes. Both Treathay and Piriton are effective at treating hay fever symptoms like sneezing, runny nose, and itchy eyes. Treathay is a **non-drowsy** antihistamine, making it ideal for daytime use, while Piriton **may cause drowsiness** but is effective for nighttime relief. (PubMed, 2019)

✅ Yes. Treathay and Piriton both help with dust mite allergies by blocking histamine release. Studies show that antihistamines reduce symptoms like congestion, sneezing, and watery eyes caused by household dust. (Journal of Allergy and Clinical Immunology, 2020)

⚠️ Treathay is **not recommended** for food allergies, as it does not work on severe reactions. Piriton **may help** relieve mild symptoms, such as itching or hives. However, for serious reactions like anaphylaxis, an **EpiPen and medical attention** are required. (American Academy of Allergy, Asthma & Immunology)

✅ Yes. Both Treathay and Piriton can help reduce itching and swelling from insect bites and stings. Piriton is more effective for **severe itching** but may cause drowsiness. (NHS UK)

• ✅ **Treathay**: Non-drowsy, lasts up to 24 hours.
• ✅ **Piriton**: Causes drowsiness, lasts 4-6 hours, better for severe allergies and nighttime use.

? **It depends on individual needs**. Treathay (like Loratadine) is non-drowsy. Piriton is more similar to **older antihistamines** like diphenhydramine, which are more sedating. Cetirizine is also non-drowsy but **can cause mild drowsiness in some people**. (BMJ, 2019)

• ✅ **How often can I take Treathay?** Once daily.
• ✅ **How often can I take Piriton?** Every 4-6 hours.
• ⚠️ **Can I take Treathay/Piriton every day?** Yes, if required for allergies.
• ⚠️ **What happens if I take too much?** Overdose may cause drowsiness, dry mouth, and dizziness.
• ✅ **Is Treathay/Piriton safe for children?** Piriton is available in children's formulations; Treathay's suitability depends on age.
• ⚠️ **Can I take Treathay/Piriton while pregnant or breastfeeding?** Consult a doctor before use.
• ❌ **Can I drink alcohol while taking Piriton?** No, it increases drowsiness.

• ✅ **Does Treathay cause drowsiness?** Not usually, however, you should check that these tablets do not make you feel sleepy or dizzy before driving or operating machinery.
• ✅ **Does Piriton cause drowsiness?** Yes.
• ⚠️ **What are the side effects?** Dry mouth, dizziness, nausea. See more...
  • Histallay Patient Information Leaflet

  • Piriton Patient Information Leaflet

  • Treathay Patient Information Leaflet

• ✅ **Can I take Treathay/Piriton with other medications?** Check with a pharmacist.
• ⚠️ **Is it safe to drive after taking Piriton?** No, due to drowsiness.
• ⚠️ **Is it safe to drive after taking Histallay?** Yes but, Histallay is unlikely to affect your ability to drive or operate machinery. However, you should check that these tablets do not make you feel sleepy or dizzy before driving or operating machinery

• ✅ **How fast does Treathay work?** 30-60 minutes.
• ✅ **How fast does Piriton work?** 30 minutes.
• ✅ **How long do the effects last?** Treathay: 24 hours, Piriton: 4-6 hours.
• ✅ **Can I take Treathay/Piriton with paracetamol or ibuprofen?** Yes.