Medications should be given at a specified time to maintain a therapeutic drug serum level. A dose given too soon can cause toxicity and missed doses can nullify the drug action and its effect.
1. Administer the drug at the correct time(s). Medications can be given 1/2 hour before or after the time prescribed.
2. There are specific cirecumstances that may cause a delay or ommission of a medication such as: labortory or diagnostic tests.
3. Administer drugs that are affected by foods either 1 hours before or 2 hours after meals.
4. Know the medications half-life.
5. Anitbiotics should be administered at regular intervals.