Can a person overdose taking meloxicam the person has taken 20 + 15mg tabs?

Yes: You can do damage to your gastrointestinal system and kidneys.

Meloxicam overdose: Yes, you can develop overdose from taking too many Meloxicam pills. The overdose symptoms are blue lips, fingernails, or skin, seizures, pain in the chest, upper stomach, or throat, severe stomach pain, skin rash, swelling around the eyes, face, lips, or tongue, rapid weight gain ... Please see your doctor for evaluation.