6300. Feeling drowsy may be a side effect of too many antibiotics.

✅ The correct answer is option D.
Dizzy : having or involving a sensation of spinning around and losing one’s balance.

Energetic : showing or involving great activity or vitality.

Irritable : having or showing a tendency to be easily annoyed.

Sluggish : lacking energy or alertness.

Drowsy : sleepy and lethargic; half asleep.

Synonym of Drowsy is Sluggish