De mest udtalte symptomer ved telmisartan- overdosering var hypotension og takykardi; også bradykardi, svimmelhed, opkastning, forhøjelse i serum- kreatinin og akut nyresvigt er set.
The most prominent manifestations of telmisartan overdose were hypotension and tachycardia; bradycardia, dizziness, vomiting, increase in serum creatinine, and acute renal failure have also been reported.