If you miss a dose of Nasorest Plus Tablet, 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.

• Q. Phenylephrine Q. Is it safe to use Phenylephrine??
  Ans: Yes, Phenylephrine is safe for most of the patients. However, in some patients, it may cause side effects like nausea, vomiting, headache, fatigue, dizziness, dryness in the mouth, sleepiness and allergic reaction. If you experience any persistent problem while taking this medication, inform your doctor as soon as possible.
• Q. Q. Can the use of Phenylephrine cause dizziness??
  Ans: Yes, the use of Phenylephrine can cause dizziness (feeling faint, weak, unsteady or lightheaded) in some patients. If you feel dizzy or lightheaded, it is better to rest for sometime and resume once you feel better. Do not drive or use any machines. Consult your doctor if the side effect persist or worsen.
• Q. Q. Can the use of Phenylephrine cause nausea and vomiting??
  Ans: Yes, the use of Phenylephrine can cause nausea and vomiting. To avoid nausea one can take Phenylephrine with milk, food or with antacids. If vomiting occurs, drink plenty of water or other fluids. Talk to your doctor if vomiting persists. You should let your doctor know if you are unable to drink water and there are signs of dehydration, like dark colored and strong-smelling urine and a low frequency of urination. Avoid taking fatty or fried foods along with this medication. Do not take any other medicine without consulting your doctor.
• Q. Acrivastine Q. Is Acrivastine the same as Diphenhydramine??
  Ans: No, Acrivastine and Diphenhydramine are different medicines. However, they belong to the same group of medicines called antihistamines (medicine to relieve allergy). Both medicines have similar actions, though their uses and effects may vary. Diphenhydramine belongs to the first generation of antihistamines which have sedative (sleep-inducing) effects, whereas Acrivastine belongs to a newer generation of antihistamines which have non-sedative effects.
• Q. Q. Is Acrivastine effective??
  Ans: Yes, Acrivastine is effective if used in the dose and duration advised by your doctor. Do not stop taking it even if you see improvement in your condition. If you stop using Acrivastine too early, the symptoms may return or worsen.
• Q. Q. Does Acrivastine cause anxiety??
  Ans: No, Acrivastine is not known to cause anxiety. However, if you have any symptoms of anxiety such as irritability, restlessness, lack of concentration, racing thoughts or unwanted thoughts, fatigue or sweating, excessive worry, fear, insomnia (difficulty sleeping), nausea and palpitations, it may be due to some other reason that needs to be taken care of. Please consult your doctor for better understanding of your condition otherwise your condition may worsen.
• Q. Q. Is Acrivastine an anticholinergic??
  Ans: Antihistamines often have anticholinergic activity, however, Acrivastine belongs to a newer generation which is non-sedative and has a low potential to act on the central nervous system; Acrivastine lacks significant anticholinergic activity.
• Q. Q. Is acrivastine better than cetirizine??
  Ans: Acrivastine and Cetirizine belong to the same category of medicines called antihistamines. Both are safe and equally effective in treatmenting allergic symptoms.
• Q. Q. Can I take acrivastine with cetirizine/ loratadine??
  Ans: There are no reports which suggest any drug interaction (negative effect) between Acrivastine and cetirizine/ loratadine if both are used together. However, this does not confirm that it is safe to take these drugs together. Always consult a doctor before taking any other medicine while using Acrivastine.
• Q. Q. How long does Acrivastine last??
  Ans: The effect of Acrivastine may last for around 2 hours in your system after a single dose. While, it may last approximately 5 hours after multiple recommended doses.

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