Which of the Following Is NOT True of Combination OTC

Which of the following is NOT true of combination OTC products?

A) They may contain medications that are not needed or may contain small amounts of medication that are not effective.
B) If a patient has only a runny nose, a combination product is indicated.
C) They are most commonly used for the common cold.
D) Caffeine is often added to relieve the side effect of drowsiness.
E) Antipyretic-analgesic combination medications should be avoided with viral infections to prevent missing a diagnosis of a secondary bacterial infection.