Hindi pa siguro based sa pic alone, mamsh, kailangan mo talaga makita in person kung may tooth breaking through the gums or kung red/swollen lang talaga. Some babies' gums get super inflamed weeks before the actual tooth shows up, kaya madaling ma-confuse! Try gently rubbing the gums with clean finger to feel if may hard bump, at kung drooling like crazy plus chewing on everything, very likely na teething na talaga.