This medicine(Allergol 10mg Tablet) should be administered on an empty stomach. The dosage may vary depending on what you are consuming it for. Take it as it has been advised by your physician. You may need this drug only on days you have symptoms, or you may need to take it every day to prevent symptoms from happening. If you stop consuming it earlier than explained, your symptoms may reappear. This drug is generally very safe.
As compared to other similar medications, it is much less likely to make you feel sleepy. But, it may cause some amount of dizziness, so dont drive or do anything that needs attention. Consult your physician if it persists or worries you. It may also cause headaches or increase appetite in some cases. Before consuming it, you should inform your physician if you have any problems with your hepato billiary or renals or with your heart.
Pregnant or lactating women should also consult with their physician before consuming it. Abstain from drinking alcohol as it can cause excessive drowsiness with this drug.