NNH

The abbreviation NNH stands for:

• Commercial vehicle trade in Lower Saxony
• Paranasal sinuses ( Latin: Sinus paranasales ), air-filled sacs of the mucous membrane in the nasal cavity
• engl. number needed to harm (dt. about number which is required to damage cause ), see number needed to treat #NNH

This is a disambiguation page for differentiating between several terms identified with the same word.