She said Egyptian Medicines Authority Some medications, both prescription and over-the-counter, can cause a false-positive drug test result, because many of their ingredients are sometimes chemically similar to the drugs being tested.
The Egyptian Medicines Authority added that the drugs that cause a false positive result in drug analysis contain diphenhydramine, dextromethorphan, and some analgesics, such as ibuprofen and naproxen, as well as antidepressants, such as sertraline and venlafaxine, and some anti-cold tablets that contain pseudoephedrine, and some antibiotics, such as Some quinolones
And I advised Egyptian Medicines AuthorityBy reviewing medications with the doctor or pharmacist before conducting the tests, to ensure that no medications are taken that may affect the results of the tests.
And the Egyptian Medicines Authority had issued the regulatory guide for the duration of the validity of medicines after opening them, pointing out that the validity period of medicines after opening them varies from one type to another, and that oral fluids, which are liquids that are taken orally, are 6 months from the date of opening, while antibiotics You must check with the pharmacist about the expiration date if it is not indicated on the packaging, and for external liquids, its validity is 6 months from opening, or according to the manufacturer’s recommendations if the period is shorter..
As for the shelf life of the cream that comes in the form of a tube after opening, it will be 6 months, or according to the manufacturer’s recommendations, if the period is shorter. Opening, or according to the manufacturer’s recommendations if the period is shorter. As for the ointment in the form of a box, the shelf life is 3 months from the date of opening, or according to the manufacturer’s recommendations if the period is shorter..
The expiration date of the effervescent tablets packed in cans is one month from the date of opening them, and the expiration date of eye drops or ointments, whether ear or nose, is usually 28 days from the date of opening, or according to the manufacturer’s recommendations.