Here I am a 17 and a half year old teenager and I have severe allergy kind of thing. It's due to some plants in Islamabad or maybe some other reason. It's very severe allergy and I have a very runny nose. It's currently 1:30 a.m. and I have my exam till 8:30 or 9 a.m. till 12 a.m. I have some anti-allergic tablets. One is Fexet of around 60 mg, Augmenten of 625 mg and I also have Arinac Forte tablet. Which one is best and what time is it best to take these medicines so that I can give my exams peacefully from 9 a.m. to 12 a.m. because my condition is not stable and I cannot give my exam like this. I'm feeling very off. I can't even study properly. So please tell me some anti-allergic tablet, one of these tablets. I also have Gystone.

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fexofenadine allergic rhinitis dosing onset duration sedation

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Arinac Forte pseudoephedrine antihistamine nasal congestion runny nose

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Based on the retrieved clinical information and my pharmacological knowledge of these specific medications, here is a clear, practical answer for your situation:

Your Best Option: Arinac Forte — Take it NOW (1:30 a.m.)

Here is a breakdown of all your medicines so you understand why:

💊 Your Medicines Explained

MedicineWhat it isGood for allergies?Sedation?
Fexet 60 mg (Fexofenadine)Non-drowsy antihistamine✅ Yes❌ None
Arinac ForteIbuprofen 200 mg + Pseudoephedrine 30 mg✅ Yes (decongestant)❌ None
Augmentin 625 mg (Amoxicillin + Clavulanate)Antibiotic❌ No — not for allergies
GystoneHerbal kidney/urinary supplement❌ Not relevant here

✅ Best Plan for Tonight + Exam

Take Arinac Forte RIGHT NOW (1:30 a.m.)
Here is why it is your best pick for this situation:
  • The pseudoephedrine in it is a powerful nasal decongestant — it directly dries up the runny nose and clears nasal congestion within 30–60 minutes
  • The ibuprofen reduces any inflammation and will help you feel generally better (less "off")
  • No sedation — you will not feel drowsy before or during your exam
  • Effect lasts 4–6 hours, so it will carry you well into your exam window (9 a.m.–12 p.m.)
Then take Fexet 60 mg at around 7:00–7:30 a.m.
  • Fexofenadine kicks in within 1–2 hours and provides prolonged allergy relief
  • It is completely non-sedating (second-generation antihistamine)
  • This gives you a double layer of coverage for the exam

⚠️ Important Warnings

  • Do NOT take Augmentin — it is an antibiotic, not an anti-allergic. It will do nothing for your symptoms and can upset your stomach
  • Do NOT take Gystone — it is a urinary/kidney supplement, completely irrelevant here
  • Do not take two Arinac Forte doses back to back without at least 6 hours in between (it contains ibuprofen)
  • Eat something small before taking Arinac Forte — ibuprofen on an empty stomach can cause nausea
  • If you have asthma, avoid ibuprofen-containing medicines and rely on Fexet only

Tonight's Action Plan

TimeAction
1:30 a.m. (now)Take Arinac Forte with a small snack and water
7:00–7:30 a.m.Take Fexet 60 mg (fexofenadine)
8:30–9:00 a.m.Both medicines in full effect — you should feel significantly better
9:00 a.m.–12:00 p.m.Exam — good coverage throughout

Quick Tips for Tonight

  • Sleep with your head slightly elevated (extra pillow) to reduce nasal drip
  • Keep a tissue or handkerchief ready for the exam hall just in case
  • Drink water — staying hydrated helps thin nasal secretions
  • Avoid cold drinks or anything cold tonight

You are 17.5 years old and both of these medicines are safe at your age at standard doses. The combination of Arinac Forte now + Fexet in the morning is a well-supported approach for acute allergic rhinitis (as per clinical guidelines on antihistamine + decongestant use for AR with congestion).
Good luck on your exam! You've got this.

I said destined not gystone

No problem! Gystone or Destined — neither one is relevant to your allergy/runny nose situation regardless of the spelling.
If Destined is a different medicine you have, tell me what is written on the packaging (the active ingredients or mg) and I can give you a proper assessment. But based on the name alone, it does not sound like an antihistamine or decongestant.
Your plan remains the same:
TimeAction
Now (1:30 a.m.)Take Arinac Forte with a small snack
7:00–7:30 a.m.Take Fexet 60 mg
9 a.m.–12 p.m.Exam — you should be well covered
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