Key Takeaways
Consuming coffee can temporarily raise blood pressure.
The effect is stronger in occasional coffee drinkers, children, and adolescents.
Regular coffee drinkers experience smaller spikes as they build tolerance to caffeine.
Coffee can cause temporary blood pressure spikes in people with and without hypertension (high blood pressure). If you have high blood pressure, talk to a healthcare provider to get recommendations on coffee consumption.
Coffee Spikes Blood Pressure Short-Term
The short-term effects of coffee on blood pressure are:
The systolic (top number) blood pressure rises by 3 to 14 mmHg
The diastolic (bottom number) blood pressure rises by 4 to 13 mmHg.
Example: A typical reading of 120/80 may rise to 134/93 after drinking coffee.
Coffee is a stimulant

Verywell Health

AlterNet
TODAY Health
NBC4 Washington
KNAU
The Providence Journal
New York Post
Reuters US Business
The Conversation
WRCB-TV
Raw Story