What medications should not be taken with phentermine and can you drink tea with it?

During treatment with this medication, do not take MAO inhibitors (isocarboxazid, linezolid, metaxalone, methylene blue, moclobemide, phenelzine, procarbazine, rasagiline, safinamide, selegiline, tranylcypromine). Most MAO inhibitors should be avoided for two weeks before starting this treatment. Consumers should be aware of the following: While using Phentermine, limit your caffeine intake (examples: coffee, teas, colas, chocolate, and some herbal supplements). Also, whenever possible, stay away from drugs that include extra Caffeine. If you take too much caffeine, your Phentermine side effects may worsen.