It is disclosed a phytocomposition which includes: (a) 0.01 wt % to 26 wt % of Arnica montana extract; (b) 0.01 wt % to 26 wt % of Rosmarinus officinalis extract; (c) 0.01 wt % to 26 wt % of Zingiber officinale extract; and (d) 0.01 wt % to 26 wt % of Boswellia serrate extract. Said phytocomposition can be used in combination with a pharmaceutically acceptable carrier in order to obtain a pharmaceutical composition that can be used for treating muscle, arthritic and rheumatic pain in a patient, caused by joint diseases, in particular rheumatoid arthritis, osteoarthritis, fibromyalgia, gouty arthritis, psoriatic arthritis, lupus and juvenile arthritis.