Ay, possible na mama! At 4 months and 6 days, some babies do start showing early signs, like extra drooling, swollen gums, or they're chewing on their fists like crazy, kaya check mo if his gums look puffy or red. A few of us moms noticed our babies were teething around this age, though most babies typically start between 4-6 months, so your little one's right on schedule if it's happening now!